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Latest Great Lakes Marine Forecast by KBUF
Issued 7/3/2026 4:02 PM America/New_York.
Valid through 7/3/2026 11:00 PM America/New_York.
fzus61 kbuf 032002
glflo
expires:202607040300;;355421
open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt fri jul 3 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a 30.1 inch high will remain in place today from the
upper ohio valley to the mid atlantic. a weak cold front will settle
south across the lake this evening, followed by another weak cold
front saturday evening. a 30.2 inch high will then build from hudson
bay saturday to quebec and northern new england sunday night. a weak
29.9 inch low will then develop over the upper ohio valley late
sunday and move to the mid atlantic by late monday. a broad 30.1
inch high is then forecast to build into the great lakes tuesday
through wednesday.
loz062-040300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt fri jul 3 2026
.tonight...west winds 5 to 10 knots. a chance of showers early. a
chance of showers after midnight. waves 1 foot or less.
.saturday...west winds less than 10 knots becoming southwest. a
chance of showers. waves 1 foot or less.
.saturday night...east winds 10 knots or less. a chance of
showers. waves 1 foot or less.
.sunday...east winds 5 to 15 knots. a chance of showers. waves
1 to 3 feet.
.sunday night...east winds 10 to 15 knots. a chance of showers.
waves 1 to 3 feet.
.monday...east winds 5 to 15 knots. showers likely with a chance
of thunderstorms during the day, then a chance of showers and
thunderstorms monday night. waves 1 to 3 feet.
.tuesday...northeast winds 10 knots or less becoming west. a
chance of showers during the day. waves 1 foot or less.
.wednesday...west winds 10 knots or less becoming southwest.
waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
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Latest Great Lakes Marine Forecast by KDTX
Issued 7/3/2026 3:39 PM America/New_York.
Valid through 7/3/2026 11:45 PM America/New_York.
fzus63 kdtx 031939
glflh
expires:202607040345;;354370
open lake forecast for lake huron
national weather service detroit/pontiac mi
339 pm edt fri jul 3 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...scattered to numerous showers and embedded
thunderstorms will be likely this evening across the southern
great lakes. strong to severe thunderstorm development will be
possible with wind gusts aoa 45 knots as the primary hazard. a
weak cold front then passes south across the region tomorrow,
shifting wind direction to the northeast.
lhz362-363-040345-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
339 pm edt fri jul 3 2026
.tonight...light and variable winds becoming northwest 5 to
10 knots early in the morning. waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots. a chance of showers in
the morning. waves 2 feet or less.
.saturday night...northeast winds 5 to 10 knots. a chance of
showers after midnight. waves 2 feet or less.
.sunday...east winds 10 to 15 knots. a chance of showers. waves
1 to 3 feet.
.sunday night...east winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. a chance of showers. waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight.
.monday...northeast winds 5 to 10 knots. waves 2 feet or less.
.tuesday...light and variable winds. waves 2 feet or less.
.wednesday...light and variable winds becoming southeast 5 to
10 knots by midnight. waves 2 feet or less.
$$
(3/3)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/3/2026 3:39 PM America/New_York.
Valid through 7/3/2026 11:45 PM America/New_York.
fzus63 kdtx 031939
glflh
expires:202607040345;;354371
open lake forecast for lake huron
national weather service detroit/pontiac mi
339 pm edt fri jul 3 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...scattered to numerous showers and embedded
thunderstorms will be likely this evening across the southern
great lakes. strong to severe thunderstorm development will be
possible with wind gusts aoa 45 knots as the primary hazard. a
weak cold front then passes south across the region tomorrow,
shifting wind direction to the northeast.
lhz462>464-040345-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
339 pm edt fri jul 3 2026
.tonight...north winds 5 to 10 knots early in the evening
becoming light and variable. a chance of showers after midnight.
waves 2 feet or less.
.saturday...light and variable winds becoming north 5 to 10 knots
in the afternoon. a chance of showers. waves 2 feet or less.
.saturday night...northeast winds 5 to 10 knots. a chance of
showers after midnight. waves 2 feet or less.
.sunday...east winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. showers likely in the morning...then
showers likely and a chance of thunderstorms in the afternoon.
waves 1 to 3 feet.
.sunday night...east winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. showers likely in the evening...then a
chance of showers after midnight. waves 1 to 3 feet.
.monday...east winds 5 to 10 knots backing to the northeast late
in the afternoon. a chance of showers in the morning. waves
2 feet or less.
.tuesday...north winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less.
.wednesday...light and variable winds. waves 2 feet or less.
$$
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